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sapphire 6950 2gb unlockable? or no?

post #1 of 6
Thread Starter 

is that a unlockable card?
or as they say "reference?"
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post #2 of 6

Yes it is .

Be careful they dont send you nothing else though ..

like this ..



its happened before people have purchased reference card and recieve a non reference in the mail .
Edited by Xristo - 4/25/11 at 7:57am
    
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post #3 of 6
Yes I think you can unlock this card

EDIT: Ninja'd
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post #4 of 6
First off here a little something about the unlock
There are two types of 6950 unlocks:

Type 1 unlock: Shader increase to 1536 units (same as the 6970)
Type 2 unlock: Complete BIOS flash to a 6970

The type 1 unlock is almost risk free and can be achieved with almost all the 6950´s.
The type 2 unlock on the other hand is a bit more risky because due to the full 6970 BIOS flash also the timings of the 6970 and other settings which are different will be applied.
To some cards that ultimately can lead to card failure or mailfunction.
Further marginal differences can be seen here:

But be advised that the Type 2 unlock only yields about 1-3% performance increase.
Wheter the Type 1 unlock + stock 6970 clocks have shown to yield the exact same amount of performance a normal 6970 would achieve
So according to those results one could imply that a Type 1 unlock + stock 6970 settings would upgrade a 6950 to a full 6970 performancewise even though other settings or structural differences are unequal.



Both types of unlocks will void your warranty if something goes wrong so be sure to bare that in mind when doing it.
There have not been any long term studies about the affect of the unlocking process and further causations yet.....but I am confident to say that nobody has encountered any problems yet
So I personally would advise you to leave the unlock be as it is not included in the warranty and just overclock your card 5-10% higher ...thus a higher overclock should be able to not only compensate but even exceed the performance boost the unlock provides
And if you must have an unlocked card at least wait until we know more about its long term affects

I would also like to refer you to my thread in which similar questions and all advantages/features benchmark results,performance comparisons to other cards including all designs etc etc should be displayed and answered

http://www.overclock.net/nvidia/9848...md-6950-a.html

Here the full guide + tips on unlock from TechPowerUp:http://www.techpowerup.com/articles/...ng/vidcard/159
----------------------------------------------------------------------------
Now you should be pretty much informed about the unlock.
Here a little bit about the unlockability of the 6950´s out there:


If a card unlocks or not is depending on wheter or not it has been laser cut to make it impossilbe for software to unlock the unfunctional units.

Another crutial part of the unlock is for the card to have a BIOS switch so in case somthing goes wrong you can always flash to the second BIOS.

Basically 90% of the tested Twin Frozr III cards unlocked fine there are already some newer laser cut products around so be careful to check the arrival date of the card at your local retailer before buying it to ensure it couldn´t have been laser cut yet.


Hope I could help
Anything earlier than March 15th should be fine I believe
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post #5 of 6
Thread Starter 
i wanted to no if this one here that 8ball is selling is unlockable to the 6970?

http://www.overclock.net/video/99091...re-6950-a.html
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post #6 of 6
Quote:
Originally Posted by rawrjaay View Post
i wanted to no if this one here that 8ball is selling is unlockable to the 6970?

http://www.overclock.net/video/99091...re-6950-a.html
yap that one is unlockable
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